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Silver 3U rack server front with eight 2.5-inch drive bays, bezel and rails

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 6148 2.4 GHz 20-core 64GB DDR4 2× 400GB SSD H730P

SKU CH-1BM4-6N391

Four-socket 3U rack server with four 20-core Xeon Gold 6148 processors at 2.4 GHz, 64GB DDR4, dual 400GB SATA SSDs and H730P RAID controller

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647

CPU Model Gold 6148

  • Four Xeon Gold 6148 CPUs with 20 cores each for parallel workloads
  • 64 GB DDR4 2666 MHz ECC memory installed across 48 slots
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60
  • Two 400 GB SATA SSDs provide fast boot and caching
  • iDRAC9 Enterprise enables remote management with redundant 1600 W power

Four-socket Xeon Gold server

The Dell PowerEdge R940 packs four Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores and a 3.7 GHz turbo frequency. It ships with 64 GB of DDR4 2666 MHz registered ECC memory across 48 DIMM slots. The system targets organisations running mission-critical workloads that demand high core counts and large memory capacity in a compact 3U rack form factor.

Dual 1600 W redundant power

Two hot-swap 1600 W platinum-efficiency power supplies provide full redundancy, allowing one unit to fail without interrupting operation. The 3U chassis uses forced-air cooling designed for dense four-socket configurations, moving heat away from the CPUs, memory and storage controller under sustained load. Fan speeds scale with thermal sensors to balance airflow against acoustic output in the rack environment.

8-bay 2.5" storage and quad-port networking

Eight front-accessible 2.5-inch drive bays accept SATA or SAS media; two 400 GB SATA SSDs are installed behind a Dell PERC H730P 2 GB RAID controller supporting RAID 0, 1, 5, 6, 10, 50 and 60. A quad-port network daughter card adds two 1 GbE and two 10 Gb SFP+ connections. iDRAC 9 Enterprise enables full out-of-band remote management. Rails and a front bezel are included for immediate rack mounting.

Highlights

  • Four Xeon Gold 6148 CPUs with 20 cores each for parallel workloads
  • 64 GB DDR4 2666 MHz ECC memory installed across 48 slots
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60
  • Two 400 GB SATA SSDs provide fast boot and caching
  • iDRAC9 Enterprise enables remote management with redundant 1600 W power

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.40 GHz
CPU SocketLGA 3647
Number of CPU Cores20-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size64GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA
SSD (Installed)2 x 400GB SATA SSD
Raid LevelRAID 0/1/5/6/10/50/60
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
LAN Ports4 x Ports
Expansion SlotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

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Questions about this item

How do I install the Dell PERC H730P controller and what step is often missed?

Seat the H730P in a PCIe slot, connect the SAS cables to the backplane, then attach the included battery module to the controller so write-back caching is protected during power loss.

What maintenance will the two 400GB SATA SSDs need later?

Monitor the SSD wear indicator in iDRAC9 Enterprise and replace each drive once its rated write endurance is reached to avoid data loss.

What thermal limit appears first when all four Xeon Gold 6148 CPUs run at 3.7 GHz turbo continuously?

The 1600 W redundant power supplies will hit their current limit before the chassis airflow reaches its maximum, throttling the processors to stay within the power budget.

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